Probable young-Earth Creationist. When asked by Michael Hainey of GQ Magazine what the age of the Earth was, Rubio said he was not "qualified to answer a question like that."[1] The ballpark age of the Earth (4.54 billion years) is not an item of controversy in the scientific community. It's a basic fact that high school students are expected to know upon graduation.

Rubio sits on the Senate Commerce, Science, and Transportation Committee.